{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950581,-0.310475,0.000000,0.000000,0.173646,-0.531651,0.828972,0.000000,-0.256833,0.786344,0.561872,0.000000,-1639847.292290,5020715.854681,3563476.416553,1],    "boundingVolume": {    "region": [1.886440,0.596598,1.886538,0.596697,0.000000,11.488583]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1328458.b3dm"}}}